<!DOCTYPE html>
<html>
 <head lang="en">

    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,height=device-height,inital-scale=1.0;">
    <title>错误页面</title>
</head>
<body>

<h1> hello Exception</h1>

${error!}


</body>
</html>